here Death Gulch
Yes, this is a bloodgulch varient..... and yes this is only Version 1 and yes it only took me 3 hours or so to do! also i dont expect you to be amazed! there no custom content except the vehicles added which i will list later and a black ops elite with a beam rifle... also even though red hunter still shoot fuelrods...... =( it had a flame effect =) and there a hunter varient that shoots 2 or so plasma pistol shots at you (yes this will usually kill you if your in a tank) I like to thank Jamesboy for the color hunters and for his sword grunts. I seem to have misplaced the name of his friend who skinned the red hunter but thanks to him too
So I think that it... Version 2 will have snow and better custom stuff.Ahh... and if your wondering how the humans will survive on this map you should look at vid or rather just play for yourself hehe...
(Rigged the two sniper spartans to act like aim-bots they fire 2 sniper-rounds per shot and the sniper + them are both rigged to make almost instant kills!they always hit no misses with them hehe )
Glitches: umm I guess you can climb the ladder to get up to the sniper tower but there a slight problem with that in the fact that you cant get into the sniper tower.... i think it just to small, Umm... red hunters still shoot fuel rod rounds... or at least looks like it sometimes, The bridge behind blue base the ai sit their fine but you cant seem to get onto the bridge hmm idk why looks like there no collision or something, but i got the bridge from heavy death island map i think that the name, only other glitch i see is that you cant really reach wasp (it on bridge) and the ai controlling the wraith turret the wraith mortar shoots strait guess he doesn't have the best sense of aim and it hardly hits anything so yah.
Vehicles: every vehicle with [ai] next to them means that ai will normally spawn and get into that vehicle.
Scorpion tank (from campaign with closed top)
RVP Hog (maid by someone don't know who he on the forum though)
Guass Canon [ai]
wraith turret [ai]
wasp (stuck on bridge maybe you can get it down...
)specter
banshee (from campaign will protect you from snipers for the most part, but it does have a health bar and it will blow up if you you get shot by a tank or guass canon)
shade [ai]
Yah so that all the vehicles pretty much 2 for each team not counting the wasp since you really cant get to it, covy has two turrets where humans only got one...
It pretty much all balanced out no custom crap like people like but it meant to be enjoyable and fun not really to look at new stuff you can add to halo.... which usually anything new doesn't always look like it should be in halo anyway.... (balcony base and sniper tower for instance)
I hope you enjoy!
Video: http://youtube.com/watch?v=waqdzRWQsR0
Download: http://www.mediafire.com/download.php?7tmtkyfcmy1
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oh well maybe someone will have a Ah-haaa! experience or somethin and figure it out. 
O.o